public TagInfo GetByName(UserInfo userInfo, string displayName)
{
displayName = FormatDisplayName(displayName);
var tag = _tagDao.GetByName(displayName);
return(_converter.ToDataTransferObject(tag));
}
private IList FindFinalTags(IList originalTags, string[] tagDisplayNames)
{
var newTagDisplayNames = new List <string>(tagDisplayNames);
var originalTagsReadyToSubtracted = originalTags.Cast <Tag>().ToList();
var newTagDisplayNamesReadyToCreated = new List <string>(newTagDisplayNames);
var finalTags = new List <Tag>();
foreach (var newTagDisplayName in newTagDisplayNames)
{
if (!String.IsNullOrEmpty(newTagDisplayName))
{
foreach (Tag originalTag in originalTags)
{
if (originalTag.DisplayName.ToLower().Trim().Equals(newTagDisplayName.ToLower().Trim()))
{
finalTags.Add(originalTag);
newTagDisplayNamesReadyToCreated.Remove(newTagDisplayName);
originalTagsReadyToSubtracted.Remove(originalTag);
}
}
}
}
foreach (var originalTag in originalTagsReadyToSubtracted)
{
SubtractTagUsedCount(originalTag);
}
IList candidate = null;
if (newTagDisplayNamesReadyToCreated != null)
{
if (newTagDisplayNamesReadyToCreated.Count == 0)
{
if (newTagDisplayNames != null && newTagDisplayNames.Count > 0)
{
candidate = _tagDao.GetByName(newTagDisplayNames);
}
}
else
{
candidate = EnsureTagsCreated(newTagDisplayNamesReadyToCreated.ToArray());
}
}
if (candidate != null)
{
foreach (Tag tag in candidate)
{
if (!finalTags.Contains(tag))
{
finalTags.Add(tag);
}
}
}
return(finalTags);
}